B5150 Posted March 21, 2013 Report Share Posted March 21, 2013 ok so i have a t5 exhaust and some proformence plugs if i have a main jet of 280 do i need to change the other jets aswell like the needle jet? Quote Link to comment Share on other sites More sharing options...
Jereme6655 Posted March 21, 2013 Report Share Posted March 21, 2013 question should be in the jetting and exhaust forum. but you will have to learn to "tune" your bike......meaning that every motor is different. Your friend could build the exact same motor as you and both of you could be different in the jetting. But usually you don't need to mess with the needle jet, however usually aftermarket pipes care for at least a 27.5 pilot. Quote Link to comment Share on other sites More sharing options...
Larry's Shee Posted March 21, 2013 Report Share Posted March 21, 2013 What do you consider "performance" plugs. More info needed. Quote Link to comment Share on other sites More sharing options...
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